Intense gales hitting speeds of up to 155km/h (96mph) have caused approximately 90,000 households experiencing outages and led officials to cancel more than 100 air travel services, based on local media.
These gusts are influencing the entire southern region and southern sections of the North Island, as stated by the country's meteorological service.
New Zealand authorities have announced infrequent red wind warnings - the top caution category - in central regions including Wellington and Canterbury.
People have been encouraged to remain inside, avoid travel, and prepare for additional power and communication outages.
Extensive Impact and Crisis Measures
The power cut is primarily influencing households mainly in the South Island, while authorities state that the electricity supply was being gradually reinstated.
Regional news have indicated that in various locations structures have suffered roof damage, and utility poles and vegetation have been toppled by the winds.
Across Wellington, a man was fatally injured after being hit by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a individual was blown onto approaching vehicles on a thoroughfare by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Aircraft services in and out of the metropolis have been halted because of the weather, while various routes and public facilities are not operating.
Meanwhile authorities in Canterbury have issued a state of emergency, to support disaster response efforts.
Labor Protests During Extreme Conditions
These intense gusts on this day coincide with tens of thousands of school staff, physicians and civil servants take part in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
However the extreme weather has forced them to alter certain arrangements, with various open-air gatherings relocated inside or abandoned.
Like conditions are affecting Australia, ushering in a heatwave to the country's outback.
Agencies have issued burning restrictions for concern about bushfires.
